You want to obtain a sample to estimate how much parents spend on their kids birthday parties. Based on previous study, you believe the population standard deviation is approximately σ=57.4σ=57.4 dollars. You would like to be 99% confident that your estimate is within 1.5 dollar(s) of average spending on the birthday parties. How many moms do you have to sample? Do not round mid-calculation. n =

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 3CYU
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You want to obtain a sample to estimate how much parents spend on their kids birthday parties. Based on previous study, you believe the population standard deviation is approximately σ=57.4σ=57.4 dollars. You would like to be 99% confident that your estimate is within 1.5 dollar(s) of average spending on the birthday parties. How many moms do you have to sample? Do not round mid-calculation.

n = 

 

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